Start off with whatever side has the movable first piece . . . . . viewing from the front .
This will be piece #1 . . . . . and it will come out 1 unit
Piece #2 comes out the left side all the way . . . . . piece #1 goes back flush in place
Piece #3 comes up from the top 2 units . . . . . . and slides toward the front 2 units,
along with the two pieces in front (1 & 6), as indicated by the arrows
Piece #3 is now removed from the puzzle (off to the right) . . . same move /\ as viewed from the top
Piece #6 is moved one unit towards the back to allow a space . . . as shown by the left/right arrows
Piece #4 now can now move to the right . . .
. . . and be removed from the puzzle . . . . . . . . . . Piece #5 now makes its way off the puzzle towards the back
slide piece #2 towards the front 1 unit, so that it lines up with the space on the right side
Move piece towards the right and center it over the remaining two pieces
Piece #2 can now slide off either end
Last two pieces are already disengaged from each other
